Trek Firetail 1 20 vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	Combined weight of bicycle, rider, and cargo of 80 pounds (36 kg)	125 kg (275 lb)
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
Frame	Classic steel with patented Flat Foot Technology	800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, IsoFlow seat tube, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, 142x12 mm thru axle
Stem	Alloy	--
Handle Bar	Electra kids' Cruiser bar	Size: 47 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 35 cm control width, 38 cm drop width, 80 mm stem length Size: 50, 52 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 37 cm control width, 40 cm drop width, 90 mm stem length Size: 54 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 39 cm control width, 42 cm drop width, 90 mm stem length Size: 56, 58 Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach,
Fork	Steel unicrown	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost	Classic steel pillar	Size: 47, 50, 52, 54 Madone aero carbon seat post, 0 mm offset, short length Size: 56, 58, 60, 62 Madone aero carbon seat post, 0 mm offset, long length
Grip	Custom	Bontrager Supertack Perf tape
Crankset	Classic steel one piece	Size: 47 Shimano Dura-Ace R9200, 52/36, 165 mm length Size: 50, 52 Shimano Dura-Ace R9200, 52/36, 170 mm length Size: 54, 56, 58 Shimano Dura-Ace R9200, 52/36, 172.5 mm length Size: 60, 62 Shimano Dura-Ace R9200, 52/36, 175 mm length
Pedals	Resin	--
Chain	KMC S1	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	--	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	Electra kids' comfort with matching design with elastomer springs	Size: 47, 50, 52 Aeolus RSL, carbon rails, 155 mm width Size: 54, 56, 58, 60, 62 Aeolus RSL, carbon rails, 145 mm width
Headset	1" steel threaded	--
Derailleur Front	--	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	--	Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front	Coaster brake 36h	--
Hub Rear	Alloy 36h	--
Cassette	18t	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	--	1x: 50T, 2x: 54/40
Bottom Bracket	9-PC loose ball	Praxis, T47 threaded, internal bearing
Stand	Alloy kickstand	--

Front	20" x 2.15" with puncture-resistant Kevlar guard casing and reflective stripe, 67TPI	Bontrager R4 320, 700x25 mm
Rear	20" x 2.15" with puncture-resistant Kevlar guard casing and reflective stripe, 67TPI	Bontrager R4 320, 700x25 mm
Wheel / RIM	Painted alloy with machined sidewalls	F: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle R: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle

Front	Alloy caliper	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Rear	Coaster brake	Shimano Dura-Ace hydraulic disc Rotors Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62) Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)

Front	--	--
Rear	--	--

Colors

Scorched Red

Deep Smoke Azure Satin Quicksilver Axinite Flip/Trek Black Viper Red Metallic Red Smoke to Red Carbon Smoke

Length	--	--
Weight	13.15 kg	7.1 kg

Features	- Flat Foot Technology	--
Additional Details	Painted fenders Stainless steel and anti-rust hardware	--